Equity - Amounts Reclassified Out Of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing		$ 398	$ 497	$ 1,306	$ 1,568
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax		(25)	(36)	(97)	(108)
Tax expense (benefit)		172	448	989	1,139
Total reclassifications, net of tax		(1,778)	(3,949)	(4,041)	(9,363)
Losses (gains) on foreign currency forward exchange contracts		6,485	5,022	14,711	13,244
Pension and post-employment benefits
Significant amounts reclassified out of each component of AOCI
Amortization of actuarial losses and other	[1]	(2)	55	(5)	166
Tax benefit		0	(12)	0	(36)
Total reclassifications, net of tax		(2)	43	(5)	130
Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Total reclassifications, net of tax				(63)	(53)
Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Tax expense (benefit)		2	4	16	9
Total reclassifications, net of tax		(1)	(23)	(63)	(53)
Reclassification out of accumulated other comprehensive loss | Net investment hedges | Net investment hedging activities
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing	[2]	(28)	(29)	(85)	(67)
Tax expense (benefit)		6	6	18	14
Total reclassifications, net of tax		(22)	(23)	(67)	(53)
Foreign currency forward exchange contracts | Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Losses (gains) on foreign currency forward exchange contracts	[3]	(11)	(21)	(67)	(47)
Treasury rate lock agreements | Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing	[2]	(6)	(6)	(18)	(18)
Cross-currency swap contracts | Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax	[4]	(14)	0	(6)	0
Interest rate swap contracts | Reclassification out of accumulated other comprehensive loss | Cash flow hedging activities
Significant amounts reclassified out of each component of AOCI
Gains on derivative amount excluded from effectiveness testing	[2]	$ 0	$ 0	$ 0	$ 3

[1] (b) Amounts are included in the computation of net periodic benefit cost (see Note 9).

[2] (a) Amounts are included in interest expense, net (see Note 8)

[3] (c) Amounts are included in cost of products sold (see Note 8).

[4] (d) Amounts are included in net foreign exchange loss (see Note 8).